./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b2744f3415dbb18037af957678e462154c9b5d1903565ea0dc58b30d01826b2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:23,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:23,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:23,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:23,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:23,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:23,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:23,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:23,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:23,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:23,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:23,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:23,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:23,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:23,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:23,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:23,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:23,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:23,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:23,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:23,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:23,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:23,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:23,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:23,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:23,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:23,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:23,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:23,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:23,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:23,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:23,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:23,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:23,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:23,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:23,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:23,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:23,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:23,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:23,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:23,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:23,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:30:23,666 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:23,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:23,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:30:23,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:30:23,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:23,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:23,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:23,670 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:23,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:30:23,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:23,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:23,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:30:23,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:23,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:30:23,673 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:23,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:30:23,674 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:23,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:30:23,674 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:23,675 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:23,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:23,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:23,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:23,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:23,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:30:23,676 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:30:23,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:30:23,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:30:23,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b2744f3415dbb18037af957678e462154c9b5d1903565ea0dc58b30d01826b2 [2021-11-23 15:30:24,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:24,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:24,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:24,097 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:24,098 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:24,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2021-11-23 15:30:24,210 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/data/a0d80b463/5993d2db322f49508ac4a21ebcfe4f51/FLAG573398268 [2021-11-23 15:30:25,152 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:25,153 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2021-11-23 15:30:25,192 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/data/a0d80b463/5993d2db322f49508ac4a21ebcfe4f51/FLAG573398268 [2021-11-23 15:30:25,712 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/data/a0d80b463/5993d2db322f49508ac4a21ebcfe4f51 [2021-11-23 15:30:25,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:25,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:25,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:25,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:25,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:25,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:25" (1/1) ... [2021-11-23 15:30:25,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b76a764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:25, skipping insertion in model container [2021-11-23 15:30:25,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:25" (1/1) ... [2021-11-23 15:30:25,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:25,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:26,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[34568,34581] [2021-11-23 15:30:27,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:27,088 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:27,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[34568,34581] [2021-11-23 15:30:27,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:27,736 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:27,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:27 WrapperNode [2021-11-23 15:30:27,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:27,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:27,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:27,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:27,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:27" (1/1) ... [2021-11-23 15:30:27,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:27" (1/1) ... [2021-11-23 15:30:27,885 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2889 [2021-11-23 15:30:27,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:27,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:27,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:27,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:27,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:27" (1/1) ... [2021-11-23 15:30:27,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:27" (1/1) ... [2021-11-23 15:30:27,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:27" (1/1) ... [2021-11-23 15:30:27,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:27" (1/1) ... [2021-11-23 15:30:27,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:27" (1/1) ... [2021-11-23 15:30:28,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:27" (1/1) ... [2021-11-23 15:30:28,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:27" (1/1) ... [2021-11-23 15:30:28,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:28,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:28,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:28,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:28,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:27" (1/1) ... [2021-11-23 15:30:28,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:28,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:28,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:28,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:30:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:28,543 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:28,545 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:30:31,152 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:30:31,294 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:30:31,306 INFO L158 Benchmark]: Toolchain (without parser) took 5585.26ms. Allocated memory was 94.4MB in the beginning and 180.4MB in the end (delta: 86.0MB). Free memory was 55.8MB in the beginning and 125.0MB in the end (delta: -69.2MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2021-11-23 15:30:31,308 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 94.4MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:31,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2014.03ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 55.6MB in the beginning and 63.5MB in the end (delta: -7.9MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2021-11-23 15:30:31,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.93ms. Allocated memory is still 125.8MB. Free memory was 63.5MB in the beginning and 54.4MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:30:31,312 INFO L158 Benchmark]: Boogie Preprocessor took 244.21ms. Allocated memory is still 125.8MB. Free memory was 54.4MB in the beginning and 93.0MB in the end (delta: -38.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-23 15:30:31,313 INFO L158 Benchmark]: RCFGBuilder took 3159.11ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 92.7MB in the beginning and 125.0MB in the end (delta: -32.3MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. [2021-11-23 15:30:31,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 94.4MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2014.03ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 55.6MB in the beginning and 63.5MB in the end (delta: -7.9MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.93ms. Allocated memory is still 125.8MB. Free memory was 63.5MB in the beginning and 54.4MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 244.21ms. Allocated memory is still 125.8MB. Free memory was 54.4MB in the beginning and 93.0MB in the end (delta: -38.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * RCFGBuilder took 3159.11ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 92.7MB in the beginning and 125.0MB in the end (delta: -32.3MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:30:31,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b2744f3415dbb18037af957678e462154c9b5d1903565ea0dc58b30d01826b2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:34,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:34,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:34,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:34,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:34,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:34,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:34,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:34,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:34,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:34,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:34,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:34,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:34,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:34,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:34,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:34,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:34,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:34,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:34,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:34,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:34,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:34,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:34,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:34,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:34,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:34,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:34,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:34,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:34,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:34,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:34,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:34,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:34,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:34,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:34,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:34,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:34,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:34,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:34,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:34,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:34,433 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:30:34,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:34,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:34,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:30:34,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:30:34,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:34,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:34,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:34,497 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:34,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:34,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:34,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:30:34,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:34,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:30:34,499 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:30:34,500 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:30:34,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:30:34,500 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:34,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:30:34,501 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:34,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:30:34,501 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:34,502 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:34,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:34,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:34,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:34,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:34,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:30:34,503 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:30:34,503 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:30:34,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:30:34,504 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:30:34,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:30:34,505 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b2744f3415dbb18037af957678e462154c9b5d1903565ea0dc58b30d01826b2 [2021-11-23 15:30:34,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:35,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:35,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:35,035 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:35,036 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:35,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2021-11-23 15:30:35,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/data/93b026bc3/1670ab549c5b4fa99abfe10dfb2d88a8/FLAG0ad638fa5 [2021-11-23 15:30:35,970 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:35,971 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2021-11-23 15:30:36,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/data/93b026bc3/1670ab549c5b4fa99abfe10dfb2d88a8/FLAG0ad638fa5 [2021-11-23 15:30:36,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/data/93b026bc3/1670ab549c5b4fa99abfe10dfb2d88a8 [2021-11-23 15:30:36,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:36,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:36,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:36,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:36,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:36,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:36" (1/1) ... [2021-11-23 15:30:36,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682fb2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:36, skipping insertion in model container [2021-11-23 15:30:36,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:36" (1/1) ... [2021-11-23 15:30:36,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:36,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:37,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[34568,34581] [2021-11-23 15:30:37,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:37,897 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:38,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[34568,34581] [2021-11-23 15:30:38,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:38,571 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:38,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:38 WrapperNode [2021-11-23 15:30:38,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:38,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:38,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:38,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:38,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:38" (1/1) ... [2021-11-23 15:30:38,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:38" (1/1) ... [2021-11-23 15:30:38,703 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2865 [2021-11-23 15:30:38,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:38,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:38,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:38,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:38,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:38" (1/1) ... [2021-11-23 15:30:38,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:38" (1/1) ... [2021-11-23 15:30:38,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:38" (1/1) ... [2021-11-23 15:30:38,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:38" (1/1) ... [2021-11-23 15:30:38,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:38" (1/1) ... [2021-11-23 15:30:38,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:38" (1/1) ... [2021-11-23 15:30:38,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:38" (1/1) ... [2021-11-23 15:30:38,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:38,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:38,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:38,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:38,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:38" (1/1) ... [2021-11-23 15:30:38,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:38,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:38,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:38,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:30:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:39,214 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:39,215 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:30:41,734 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:30:41,844 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:30:41,853 INFO L158 Benchmark]: Toolchain (without parser) took 5739.44ms. Allocated memory was 56.6MB in the beginning and 144.7MB in the end (delta: 88.1MB). Free memory was 31.0MB in the beginning and 82.5MB in the end (delta: -51.5MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2021-11-23 15:30:41,854 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.5MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:41,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2458.94ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 30.8MB in the beginning and 46.6MB in the end (delta: -15.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2021-11-23 15:30:41,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.96ms. Allocated memory is still 86.0MB. Free memory was 46.1MB in the beginning and 37.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:30:41,858 INFO L158 Benchmark]: Boogie Preprocessor took 190.63ms. Allocated memory is still 86.0MB. Free memory was 37.1MB in the beginning and 57.1MB in the end (delta: -20.0MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-11-23 15:30:41,859 INFO L158 Benchmark]: RCFGBuilder took 2952.97ms. Allocated memory was 86.0MB in the beginning and 144.7MB in the end (delta: 58.7MB). Free memory was 57.1MB in the beginning and 82.5MB in the end (delta: -25.4MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2021-11-23 15:30:41,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.5MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2458.94ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 30.8MB in the beginning and 46.6MB in the end (delta: -15.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.96ms. Allocated memory is still 86.0MB. Free memory was 46.1MB in the beginning and 37.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.63ms. Allocated memory is still 86.0MB. Free memory was 37.1MB in the beginning and 57.1MB in the end (delta: -20.0MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2952.97ms. Allocated memory was 86.0MB in the beginning and 144.7MB in the end (delta: 58.7MB). Free memory was 57.1MB in the beginning and 82.5MB in the end (delta: -25.4MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:30:41,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c1ae761-e14f-41f0-9827-7f229a6a5295/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable